Flechazo
d8771caef2
Implement hunting AP and progress, event tasks, exchanges, games, stories and actions; connect battle and reward handling. Add CashShop plugin and installation, server purchases and entitlements, recharge rules and plugin version metadata. Distribute binary calendars independently; cache GameData in memory and fix single-connection query deadlocks. Improve automatic login and recovery diagnostics; document configuration and release flows.
94 lines
3.3 KiB
Go
94 lines
3.3 KiB
Go
// Package feature contains deliberately small, stateless protocol handlers.
|
|
//
|
|
// These endpoints were observed to return an empty protobuf for a new local
|
|
// account. Keeping that fact here (rather than treating every unknown route
|
|
// as successful) lets the session dispatcher remain fail-closed.
|
|
package feature
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"bd2server/internal/server/wire"
|
|
)
|
|
|
|
// ErrInvalidRequest means a known endpoint was sent a malformed request.
|
|
var ErrInvalidRequest = errors.New("feature: invalid protobuf request")
|
|
|
|
// emptyResponses is the stateless subset of the new-player batch whose
|
|
// successful response protobuf has zero bytes. Stateful routes leave this map
|
|
// as soon as their owning domain persists them. Packet codes are protocol
|
|
// values, not ordinals derived from the request or response order.
|
|
var emptyResponses = map[string]int{
|
|
"/AvatarShopWishListInfo": 470,
|
|
"/CafeteriaInfo": 351,
|
|
"/CashBonusInfo": 588,
|
|
"/CharPartnerInfo": 65,
|
|
"/CommunityRewardInfo": 289,
|
|
"/DailyStoryInfo": 538,
|
|
"/DatingInfo": 361,
|
|
"/DispatchInfo": 0,
|
|
"/EquipPresetInfo": 253,
|
|
"/EvilCastleDailyRewardState": 441,
|
|
"/EvilCastleTowerInfo": 200,
|
|
"/FieldTrapInfo": 171,
|
|
"/FishingCollectionInfo": 465,
|
|
"/FishingTrapInfo": 457,
|
|
"/FriendInfoList": 204,
|
|
"/GuildInitInfo": 332,
|
|
"/IdCardPresetInfo": 450,
|
|
"/LifeUserInfo": 594,
|
|
"/MyLikeInfo": 218,
|
|
"/MyRoomItemInfo": 232,
|
|
"/PersonalInfo": 199,
|
|
"/QuestMaxClearInfo": 137,
|
|
"/SpineInteractionAchievementInfo": 532,
|
|
"/TotalWarRewardState": 252,
|
|
"/TutorialInfo": 101,
|
|
}
|
|
|
|
// Handle recognizes only audited, stateless empty-response endpoints. The
|
|
// request must be a structurally valid protobuf with its normal nonzero
|
|
// request sequence in field 1. Unknown paths return ok=false and no response.
|
|
// proto is nil on success: protobuf's canonical empty-message encoding is zero
|
|
// bytes.
|
|
func Handle(path string, request []byte) (packetCode int, proto []byte, ok bool, err error) {
|
|
packetCode, ok = emptyResponses[path]
|
|
if !ok {
|
|
packetCode, proto, ok = initialResponse(path)
|
|
}
|
|
if !ok {
|
|
packetCode, ok = standaloneDefaults[path]
|
|
}
|
|
if !ok {
|
|
packetCode, ok = commandSuccess[path]
|
|
if !ok {
|
|
return 0, nil, false, nil
|
|
}
|
|
}
|
|
sequence, present, walkErr := wire.Varint(request, 1)
|
|
if walkErr != nil || !present || sequence == 0 {
|
|
if walkErr != nil {
|
|
return 0, nil, true, fmt.Errorf("%w: %s: %v", ErrInvalidRequest, path, walkErr)
|
|
}
|
|
return 0, nil, true, fmt.Errorf("%w: %s has no request sequence", ErrInvalidRequest, path)
|
|
}
|
|
return packetCode, proto, true, nil
|
|
}
|
|
|
|
// Service adapts this registry to session.Handler without importing session.
|
|
type Service struct{}
|
|
|
|
func (Service) Handle(path string, request []byte) (int, []byte, bool, error) {
|
|
return Handle(path, request)
|
|
}
|
|
|
|
// EmptyPacketCodes returns a detached copy for diagnostics and protocol tests.
|
|
func EmptyPacketCodes() map[string]int {
|
|
result := make(map[string]int, len(emptyResponses))
|
|
for path, code := range emptyResponses {
|
|
result[path] = code
|
|
}
|
|
return result
|
|
}
|